Aptiv Technologies Ag

Aptiv Technologies Limited

Armin Talai

Mark William Hudson

Syed An Nazmus Saqueb

Kevin Paul McReynolds

Roberto Leonardi

Leonardi Roberto

Rafal Michal Burza

Ricardo Cavazos

Andrzej Samulak

Sashi Praveen Kalli

This document describes facia, including parts of vehicles, for supporting an ultra-wide radar field-of-view, for example, in automotive contexts. The facia is configured as a radome for supporting an ultra-wide field-of-view with an antenna despite the facia obstructing a field of view. The facia has one exterior surface or interior surface this is a mostly smooth or has a pattern of hemispherical indentations or domes that are configured to reduce reflections off that surface and increase light transmission through the facia. The other of the exterior or interior surface, has a pattern of hemispherical indentations or domes that are configured to reduce reflections off that surface and further increase light transmission through the facia.

Facia supporting an ultra-wide radar field-of-view

A method for predicting a false positive detection by a radar sensor includes simulating a radar signal, determining a plurality of reflected radar signal rays based on the simulated radar signal and data regarding at least one vehicle component that may be a source of a false positive detection based on received reflected radar signal rays, selecting detectable rays from the reflected radar signal rays, determining an energy level for each detectable ray based on a reflectivity of the at least one vehicle component, clustering at least some of the detectable rays based on a distance between a reflection origin location of at least two of the detectable rays being within a predefined range, determining an energy level of clustered detectable rays, and determining a false positive based on the determined energy level of the clustered detectable rays being above an energy threshold.

Method for predicting a false positive for a radar sensor

This document describes techniques for enabling radar system calibration with bistatic sidelobe compensation. Radar signals reflect off of a flat plate that changes orientation (e.g., elevation and/or azimuth angle) and position relative to a mounting position of a specific radar sensor being calibrated. For each radar sensor, measurements may be obtained across a range of translational positions of the flat plate. Highly accurate calibration errors are determined for each radar sensor this way. By calibrating radar systems repositioning the target during the data collection in this way, the prominence of any bistatic sidelobes appearing in measurements may be reduced or prevented, which may enable less-complex and more-accurate calibration of each unique radar system installation. An indication of each calibration error may be output for use in individually adjusting the mounting position of each specific radar sensor within a radar system.

Radar system calibration with bistatic sidelobe compensation

A simulation method for predicting a false positive for a predefined region outside a desired field of view of a radar sensor. Calculated primary rays having a respective primary energy level represent the radar signal. Reflected rays are calculated based on the primary rays or other reflected rays and based on geometrical data for at least one item within the predefined region. An energy level is determined for each reflected ray based on an estimated reflectivity of the at least one item and based on the primary energy level of the respective primary ray, and a clustering level for the reflected rays is determined based on distances of the respective reflection points. A probability for an occurrence of a false positive is estimated based on the energy level and the clustering level.

A radar system includes a transmitting element adapted to transmit a radar signal, a receiving element adapted to receive a reflected signal of the radar signal being transmitted by the transmitting element, and a radome covering the transmitting element and the receiving element and having an inner surface and an outer surface. The inner surface of the radome faces the transmitting element and the receiving element. The radome comprises a recess being located at the inner surface.

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Nuremberg, Germany

Armin Talai